{"product_id":"lequation","title":"The Equation","description":"\u003cp\u003eHe's very different from the usual math teachers. And he's never met a student like her... Kelly is 18 and doesn't understand math at all.\u003c\/p\u003e\n\u003cp\u003eWhen she meets Tyler Evans, the substitute teacher, it's even worse: she focuses solely on her attraction to him, an attraction that borders on obsession...\u003c\/p\u003e\n\u003cp\u003eWhat should have remained a teenage fantasy goes awry when an unpredictable variable enters the equation: Tyler himself. The 24-year-old, tattooed, cynical, and subversive, is nothing like a rigorous teacher with unwavering morals.\u003c\/p\u003e\n\u003cp\u003eHe likes to play with the rules rather than respect them... And Kelly, she wants to completely blow them up.\u003c\/p\u003e\n\u003cp\u003eBetween daring bets, indecent games, and formidable promises, the student and her teacher tread on slippery ground that defies all conventions.\u003c\/p\u003e\n\u003cp\u003eBut aren't the most difficult problems to solve also the most exciting?\u003c\/p\u003e","brand":"© 2026 Le Grimoire Ancien","offers":[{"title":"Default Title","offer_id":57076159185221,"sku":"9782371267480","price":13.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/1333\/3061\/files\/lequation-7444124.jpg?v=1778591780","url":"https:\/\/legrimoireancien.com\/en\/products\/lequation","provider":"© 2026 Le Grimoire Ancien","version":"1.0","type":"link"}